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Electromagnetic Field Theory
Conductor is constant and field is varying then emf will be induced. This principle is called
virtually induced emf.
None of these
dynamically induced emf.
static induced emf.
virtually induced emf.
None of these
dynamically induced emf.
static induced emf.
Answer
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Related Question
Electromagnetic Field Theory
Poyniting vector has the dimensions
Watt × metre2.
Watts/metre2.
Watt × metre.
Watt/metre.
Watt × metre2.
Watts/metre2.
Watt × metre.
Watt/metre.
Answer
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Electromagnetic Field Theory
It is best to use for coupling a coaxial line to a parallel wire transmission line.
Tee
Slotted line
Balun
Directional Coupler
Tee
Slotted line
Balun
Directional Coupler
Answer
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Electromagnetic Field Theory
The emf induced in a conductor rotating in bipolar field is
DC.
none of these.
AC.
DC and AC both.
DC.
none of these.
AC.
DC and AC both.
Answer
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Electromagnetic Field Theory
The wave in wave guide has
Larger wavelength than in the free space
Diminishing wavelength than in the free space
Larger frequency than in the free space
Group velocity inversely proportional to wavelength
Larger wavelength than in the free space
Diminishing wavelength than in the free space
Larger frequency than in the free space
Group velocity inversely proportional to wavelength
Answer
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Electromagnetic Field Theory
An inductor designed with 400 turns coil wound on an iron core of 16 cm2 cross sectional area and with a cut of air gap length of 1 mm. The coil is connected to a 230 V, 50 Hz supply. Neglected coil resistance, core loss, iron reluctance and leakage inductance. Find the current in the inductor.
4.56 A.
18.08 A.
9.04 A.
2.28 A.
4.56 A.
18.08 A.
9.04 A.
2.28 A.
Answer
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